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ST3066-11 — NUT,SELF-LOCKING,EXTENDED WASHER

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

ST3066-11: NUT,SELF-LOCKING,EXTENDED WASHER.

NUT,SELF-LOCKING,EXTENDED WASHER. Key specifications include end_item_identification: USED ON BEECH 300 AIRCRAFT. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-185-9256, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
ST3066-11
NSN: 5310-01-185-9256
FSC: 5310 — Nuts and Washers
CAGE: 00198 — PRATT & WHITNEY CANADA CORP DIV PRATT & WHITNEY CANADA CORP. (CAN)
SPECIFICATIONS
end_item_identificationUSED ON BEECH 300 AIRCRAFT
NSN5310-01-185-9256
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: ST3066-11 · OEM ⚠ VERIFY BEFORE ORDERING Grade matters for torque spec — don't mix grades. A Grade 5 nut on a Grade 8 bolt weakens the joint. Lock nuts, wing nuts, and castle nuts are NOT interchangeable with standard hex ✓ BROKER TIP Match nut to bolt thread class and material. Stainless bolt + zinc nut = galvanic corrosion. Always verify finish matches (plain, zinc, hot-dip galvanized) PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
TECHNICAL CHARACTERISTICS
END ITEM IDENTIFICATIONUSED ON BEECH 300 AIRCRAFT
OTHER ITEMS IN FSC 5310 — Nuts and Washers
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5310-00-000-0040 5310-00-000-0077 5310-00-000-0079 5310-00-000-1146 5310-00-000-3815 5310-00-000-4532 5310-00-000-4540
SUBSTITUTES & CROSS-REFERENCES 4
968.20.12.124Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
ST3063-11Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
ST3065-11Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
Z00.N7228511801TBMReference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is ST3066-11?
ST3066-11 is a NUT,SELF-LOCKING,EXTENDED WASHER.
What parts can replace ST3066-11?
There are 4 known substitutes for ST3066-11: 968.20.12.124, ST3063-11, ST3065-11 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for ST3066-11?
ST3066-11 is cataloged in the U.S. Government catalog under NSN 5310-01-185-9256. This indicates validated use in U.S. government and defense supply chains.
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